Home / 14,177.60-19,564.68-7,889.84

Finding the Fourth Proportional to 14,177.60, 19,564.68 and 7,889.84

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Solution

The fourth proportional to 14,177.60, 19,564.68 and 7,889.84 is: 10,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.60 : 19,564.68 = 7,889.84 : x
  2. Step 2: Convert to fraction form
    14,177.60/19,564.68 = 7,889.84/x
  3. Step 3: Cross multiply
    14,177.60x = 19,564.68 × 7,889.84
  4. Step 4: Simplify right side
    14,177.60x = 154,362,194.85
  5. Step 5: Solve for x
    x = 154,362,194.85/14,177.60
  6. Step 6: Final answer
    x = 10,887.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.